EP3997868A4 - Pufferverwaltung bei der decodierung von unterbildern - Google Patents

Pufferverwaltung bei der decodierung von unterbildern Download PDF

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Publication number
EP3997868A4
EP3997868A4 EP20852734.1A EP20852734A EP3997868A4 EP 3997868 A4 EP3997868 A4 EP 3997868A4 EP 20852734 A EP20852734 A EP 20852734A EP 3997868 A4 EP3997868 A4 EP 3997868A4
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EP
European Patent Office
Prior art keywords
buffer management
subpicture decoding
subpicture
decoding
buffer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP20852734.1A
Other languages
English (en)
French (fr)
Other versions
EP3997868A1 (de
Inventor
Kai Zhang
Zhipin DENG
Hongbin Liu
Li Zhang
Jizheng Xu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing ByteDance Network Technology Co Ltd
ByteDance Inc
Original Assignee
Beijing ByteDance Network Technology Co Ltd
ByteDance Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing ByteDance Network Technology Co Ltd, ByteDance Inc filed Critical Beijing ByteDance Network Technology Co Ltd
Priority to EP23214088.9A priority Critical patent/EP4307665A3/de
Publication of EP3997868A1 publication Critical patent/EP3997868A1/de
Publication of EP3997868A4 publication Critical patent/EP3997868A4/de
Pending legal-status Critical Current

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    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
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    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/55—Motion estimation with spatial constraints, e.g. at image or region borders
    • H—ELECTRICITY
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    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
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    • H04N19/96—Tree coding, e.g. quad-tree coding

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Television Signal Processing For Recording (AREA)
EP20852734.1A 2019-08-10 2020-08-10 Pufferverwaltung bei der decodierung von unterbildern Pending EP3997868A4 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP23214088.9A EP4307665A3 (de) 2019-08-10 2020-08-10 Pufferverwaltung bei der decodierung von unterbildern

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2019100114 2019-08-10
PCT/CN2020/108182 WO2021027776A1 (en) 2019-08-10 2020-08-10 Buffer management in subpicture decoding

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP23214088.9A Division EP4307665A3 (de) 2019-08-10 2020-08-10 Pufferverwaltung bei der decodierung von unterbildern

Publications (2)

Publication Number Publication Date
EP3997868A1 EP3997868A1 (de) 2022-05-18
EP3997868A4 true EP3997868A4 (de) 2023-02-22

Family

ID=74570268

Family Applications (3)

Application Number Title Priority Date Filing Date
EP20852734.1A Pending EP3997868A4 (de) 2019-08-10 2020-08-10 Pufferverwaltung bei der decodierung von unterbildern
EP23214088.9A Pending EP4307665A3 (de) 2019-08-10 2020-08-10 Pufferverwaltung bei der decodierung von unterbildern
EP20852929.7A Pending EP3997869A4 (de) 2019-08-10 2020-08-10 Subbildabhängige signalisierung in videobitströmen

Family Applications After (2)

Application Number Title Priority Date Filing Date
EP23214088.9A Pending EP4307665A3 (de) 2019-08-10 2020-08-10 Pufferverwaltung bei der decodierung von unterbildern
EP20852929.7A Pending EP3997869A4 (de) 2019-08-10 2020-08-10 Subbildabhängige signalisierung in videobitströmen

Country Status (8)

Country Link
US (5) US11553177B2 (de)
EP (3) EP3997868A4 (de)
JP (3) JP7372443B2 (de)
KR (2) KR20220042125A (de)
CN (5) CN117336468A (de)
BR (1) BR112022002493A2 (de)
MX (1) MX2022001465A (de)
WO (4) WO2021027774A1 (de)

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